82 KANSAS ACADEMY OF SCIENCE. 



limestone are used in twenty-four hours, giving a daily production of 

 3500 barrels of cement. 



Tests show a remarkable strength of product ; neat briquettes have 

 a strength of 800 to 1000 pounds after twenty-eight days, or with 

 three parts sand have a strength of from 400 to 500 jjounds, and 

 ninety-five per cent, passes through a No. 100 sieve. This is brought 

 about by careful manipulation and watching on the part of experts 

 employed by the company. All mixtures are carefully examined, and 

 tests are made at various stages of the manufacture, so as to secure a 

 uniform product. The physical and chemical laboratories are thor- 

 oughly equipped, and three chemists are employed. 



The mineral industries of Kansas must be seen to be appreciated, 

 and, through the kindness of the citizens of lola, the Kansas Academy 

 of Science, composed of members interested in the scientific jirogress 

 of the state, has been able to see a great industrial center and to be- 

 come acquainted with the progress here shown. The members ap- 

 preciate this opportunity, and will watch the growth of lola in the 

 future with new interest, and they will always carry a pleasant mem- 

 ory of the thirty-fourth meeting, at lola. 



